Gulls to the Horizon

A blog about gull observations by a Dutch larophile

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Tag Archives: hybrid CG x HG

Caspian Gulls at Terschelling – November 2017

November 27, 2017 hybrid CG x HG larus cachinanns adult larus cachinnans larus cachinnans 1cy larus cachinnans 2cy larus cachinnans 3cy Leave a comment

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Marked Birds Database users: time to update the Current Age for all birds
Individual gulls observed in multiple countries
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5CY Lesser Black-backed Gull Black/Blue 3P with sub-adult marking in secondaries – 2018
IJmuiden Forteiland gull season 2018

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IJmuiden - 20130811
Ring-billed Gulls vs Common Gulls: comparison from a Dutch perspective- 201402
New Caspian Gull ID pages on Gull Research.ORG
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Marked Birds Database – Version 1.14.0 available
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Primary pattern comparison in Dutch adult Common Gulls
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